HP ENVY 13-ah1000 Maintenance and Service Guide - Page 50

Rear speakers

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Rear speakers Description Rear speakers (include left and right front speakers, cables, and two rubber isolators) Spare part number L19531-001 Before removing the rear speakers, follow these steps: 1. Turn off the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, and then shut it down through the operating system. 2. Disconnect the power from the computer by first unplugging the power cord from the AC outlet, and then unplugging the AC adapter from the computer. 3. Disconnect all external devices from the computer. 4. Remove the bottom cover (see Bottom cover on page 26). 5. Disconnect the battery cable from the system board (see Battery on page 28). 6. Remove the system board (see System board on page 34). Remove the rear speakers: 1. Release the rear speaker cable (1) from the retention channel/retention clips built into the keyboard/ top cover. 2. Remove the two Phillips M2.0×5.7 shoulder screws (2) that secure the rear speakers to the keyboard/ top cover. 3. Remove the rear speakers (3). NOTE: When removing the rear speakers, make note of the location and condition of the two rubber isolators (4). These isolators are critical to the performance of the rear speakers. The absence of these isolators or damage to them can degrade the rear speaker performance. Reverse this procedure to install the rear speakers. 42 Chapter 5 Removal and replacement procedures

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Rear speakers
Description
Spare part number
Rear speakers (include left and right front speakers, cables, and two rubber isolators)
L19531-001
Before removing the rear speakers, follow these steps:
1.
Turn off the computer. If you are unsure whether the computer is off or in Hibernation, turn
the computer on, and then shut it down through the operating system.
2.
Disconnect the power from the computer by first unplugging the power cord from the AC outlet, and
then unplugging the AC adapter from the computer.
3.
Disconnect all external devices from the computer.
4.
Remove the bottom cover (see
Bottom cover
on page
26
).
5.
Disconnect the battery cable from the system board (see
Battery
on page
28
).
6.
Remove the system board (see
System board
on page
34
).
Remove the rear speakers:
1.
Release the rear speaker cable
(1)
from the retention channel/retention clips built into the keyboard/
top cover.
2.
Remove the two Phillips M2.0×5.7 shoulder screws
(2)
that secure the rear speakers to the keyboard/
top cover.
3.
Remove the rear speakers
(3)
.
NOTE:
When removing the rear speakers, make note of the location and condition of the two rubber
isolators
(4)
. These isolators are critical to the performance of the rear speakers. The absence of these
isolators or damage to them can degrade the rear speaker performance.
Reverse this procedure to install the rear speakers.
42
Chapter 5
Removal and replacement procedures